Term
Who does not perform arterial punctures? |
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Definition
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Term
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Definition
Used in the diagnosis and management of respirator disorders. Provide information about a patient's oxygenation, ventilation. |
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Term
Define collateral circulation |
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Definition
the site is supplied with blood from more than one artery, so that circulation can be maintained if one vessel is obstructed or damaged. |
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Term
What is the primary site-selection criteria for arterial punctures? |
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Definition
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Term
What is the modified Allen Test? |
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Definition
measuring the pulse/ pressure in both arteries on the wrist. (radial and ulnar) |
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Term
What are the 4 arterial puncture sites in order of choice? |
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Definition
1. Radial 2. Brachial 3. Femoral |
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Term
What is the collateral artery of the radial |
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Definition
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Term
What do you do if the ulnar blood flow is weak? |
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Definition
Do not puncture the radial artery. |
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Term
Why is the radial artery preferred? |
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Definition
It is close to the surface and lies on bone which allows for easy compression to avoid hematoma |
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Term
What is the disadvantage of the Brachial Artery? |
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Definition
Its deeper than the radial and has no underlying ligaments or bone to support compressions and a hematoma will form, close to the basilic vein |
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Term
What is a disadvantage of the radial artery? |
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Definition
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Term
What is an advantage to the Brachial artery? |
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Definition
It's large and easy to palpate and is preferred when large volumes of blood must be collected. |
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Term
What is an advantage to the Femoral artery? |
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Definition
Its the largest artery used for arterial puncture. Sometimes the only site for patients who are hypovolemic(low blood volume) or have low cardiac output or during cardiac resuscitation. |
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Term
What is a disadvantage of the Femoral artery? |
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Definition
Poor circulation, close to the vein, increase of infection b/c of pubic hair, plaque buildup dislodging on older patients, risk of hematoma or hemorrhage. |
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Term
Where is the femoral artery located? |
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Definition
In the groin lateral to the pubis bone (inner thigh) |
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Term
Arterial sites on infants: |
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Definition
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Term
What is the needle angle for ABGs? |
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Definition
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Term
What type of syringe is used in ABG collection? |
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Definition
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